The fizzy water, or carbonated water, we had been drinking was shipped from Germany and Italy because it was naturally carbonated in the ground there. With a little research we learned we could create our own fizzy water with a refurbished "corny" or cornelius keg, a carbon dioxide tank and two short lengths of hose. That allowed us to skip shipping water by carbonating tap water at home. We bought the whole set up as a kit ($165) and started making our own fizzy water straight away.